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Finding the Fourth Proportional to 425,297.88, 586,937.52 and 234,311.22

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Solution

The fourth proportional to 425,297.88, 586,937.52 and 234,311.22 is: 323,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,297.88 : 586,937.52 = 234,311.22 : x
  2. Step 2: Convert to fraction form
    425,297.88/586,937.52 = 234,311.22/x
  3. Step 3: Cross multiply
    425,297.88x = 586,937.52 × 234,311.22
  4. Step 4: Simplify right side
    425,297.88x = 137,526,046,374.97
  5. Step 5: Solve for x
    x = 137,526,046,374.97/425,297.88
  6. Step 6: Final answer
    x = 323,364.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.